Upper tray for baby walker



FIG. 1 is a perspective view of an upper tray for baby walker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines represent portions of the design that form no part of the claim. 

The ornamental design for an upper tray for baby walker, as shown and described. 